Gates 22399 Radiator Coolant Hose - Heater To Water Pump

Gates 22399 Molded Coolant Hose Overview

The Gates 22399 molded coolant hose is built for specific cooling-system applications and follows OE-style routing for a precise replacement. It is a radiator coolant hose for the heater-to-water-pump circuit on select Ford Escort and Mercury Tracer models.

Made from EPDM and plastic, this Gates Molded Coolant Hose uses a molded design to match the original hose path and support proper coolant flow in the engine cooling system. The Gates 22399 is engineered for vehicles that require a branch-style modular hose layout with integrated OE-type features.

Key Features

• Part number: Gates 22399
• Radiator coolant hose for heater-to-water-pump routing
• Fits select 1998-2002 Ford Escort applications
• Fits select 1998-1999 Mercury Tracer applications
• EPDM and plastic construction
• Molded hose design for application-specific routing
• Modular hose with one branch configuration
• OE-style replacement for vehicles using integrated cooling-system components

Product Details

Gates Molded Coolant Hose line products are built around application-specific modular assemblies. This hose is shaped to match the original routing and includes the type of integrated design commonly used in OE cooling systems, helping maintain the correct path between the heater circuit and water pump. The Gates 22399 is a direct-fit style replacement for the listed Ford Escort and Mercury Tracer applications, and it is identified by part number 22399 for ordering and cross-reference purposes.

This part cross-references Dayco 87777 for the same application.

What This Hose Helps Address

• Coolant leaks from a cracked or aged heater hose
• Loss of proper coolant circulation through the heater-to-water-pump route
• Incorrect hose routing after a previous repair
• Softening, swelling, or deterioration of the original hose material
• Cooling-system service on a Ford Escort or Mercury Tracer with the listed fitment

Installation Notes and Tips

Verify the vehicle year, make, model, and hose routing before installation. Confirm that the replacement matches the heater-to-water-pump position and compare the original hose shape, branch layout, and end sizes to the existing part. Inspect adjoining cooling-system components for wear, residue, or damage before installing the new hose.

Quality Assurance

Gates is a recognized aftermarket supplier in modular coolant hose assemblies, and this hose is manufactured to application-specific OE-style requirements for the listed vehicles. The molded construction and integrated modular design support accurate fitment for the intended cooling-system route.